/**
 * Created with IntelliJ IDEA.
 * Description: 计算1/1-1/2+1/3-1/4+1/5 …… + 1/99 - 1/100 的值
 * Author:  LiuTao
 * Version: 1.0
 * Date:    2023-04-16  19:02
 */
public class Test2 {
    public static void main(String[] args) {
        float sum = 0;
        for (int i = 1; i <= 100; i++) {
            if(i % 2 != 0){
                sum += 1.0/i;
            }else{
                sum -= 1.0/i;
            }
        }
        System.out.println("sum="+sum);
    }
}
